HEAVY DUTY KNIFE GATE VALVE, LUGGED, BI DIRECTIONAL
Cast CF8M Body, SS-316 Blade, PTFE Packing, NBR Seat, Rising Stem, Gearbox, CC, PN10
Contact
AVK Australia Civil
559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry
Manually operated bi-directional lugged knife gate valve for applications with abrasive slurries, Pulp & Paper, Power Plants, Mining, Chemical Plants, Wastewater Treatment, Food & Beverage, etc. Size range: DN50-600 (larger sizes upon request). Work pressure: 10 bar.
The AVK series 779/22 is a bidirectional, lugged, heavy duty knife gate valve, designed for general industrial service applications, such as Pulp & Paper, Mining, Chemical Plants, Wastewater Treatment, etc. The gate body and seat assure non-clogging shut off on suspended solids.
| Variant 779/22-005 | |
|---|---|
| Material: | Stainless Steel |
| DN: | DN200 - DN600 |
| PN: | PN10 |
| Closing direction: | Clockwise Close |
Features
- Lug type one piece cast stainless steel body, larger sizes with reinforcing ribs providing the body with extra strength
- Stainless Steel 316 stem
- Port design as per MSS SP-81
- Stainless Steel 316 gate polished both sides to avoid jamming and seat damage
- Long life PTFE impregnated synthetic fibre plus EPDM o-ring packing with easy access and adjustable gland follower. Wide range of packing materials available
- RAL-5015 blue epoxy-coating on all cast iron/carbon steel components
Downloads
Reference nos. and dimensions:
| AVK ref. no. | DN mm |
Product PN Class |
I mm |
A mm |
B mm |
C mm |
H mm |
Theoretical weight / kg |
|---|---|---|---|---|---|---|---|---|
| 779-0200-22-0000024 | 200 | PN10 | 194 | 70 | 300 | 200 | 1029 | 49 |
| 779-0250-22-0000025 | 250 | PN10 | 239 | 70 | 300 | 200 | 1113 | 65 |
| 779-0300-22-0000034 | 300 | PN10 | 284 | 76 | 300 | 200 | 1235 | 85 |
| 779-0350-22-0000020 | 350 | PN10 | 322 | 76 | 450 | 270 | 1610 | 118 |
| 779-0400-22-0000015 | 400 | PN10 | 366 | 89 | 450 | 270 | 1720 | 148 |
| 779-0450-22-0000016 | 450 | PN10 | 400 | 89 | 450 | 270 | 1800 | 190 |
| 779-0500-22-0000012 | 500 | PN10 | 460 | 114 | 450 | 270 | 1895 | 236 |
| 779-0600-22-0000017 | 600 | PN10 | 530 | 114 | 450 | 270 | 2040 | 333 |
Components
| 1. | Body | Stainless steel CF8M |
| 2. | Gate | Stainless steel 316 |
| 3. | Sleeve | NBR rubber |
| 4. | Seat ring | Stainless steel CF8M |
| 5. | Packing | PTFE |
| 6. | Gland follower | Stainless steel CF8M |
| 7. | Stem | Stainless steel |
| 8. | Stem nut | Brass |
| 9. | Yoke | Stainless steel 316 |
| 10. | Spacer | Stainless steel |
| 11. | Gearbox with handwheel | Cast iron |
| 12. | Fasteners | Stainless steel A4 |
| 13. | Protection cover | Carbon steel, epoxy coated |
| 14. | Cap | Plastic |
Test/Approvals
- Seat: 1.1 x PN. Body: 1.5 x PN.
Standards
- Flange drilling to AS/NZS 4087 B5
